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Ramiro Polla f6859cade3 swscale/x86: add sse2 and avx2 {lum,chr}ConvertRange 
chrRangeFromJpeg_8_c: 22.3
chrRangeFromJpeg_8_sse2: 13.3
chrRangeFromJpeg_8_avx2: 13.3
chrRangeFromJpeg_24_c: 72.8
chrRangeFromJpeg_24_sse2: 22.3
chrRangeFromJpeg_24_avx2: 17.5
chrRangeFromJpeg_128_c: 345.5
chrRangeFromJpeg_128_sse2: 106.0
chrRangeFromJpeg_128_avx2: 57.8
chrRangeFromJpeg_144_c: 380.5
chrRangeFromJpeg_144_sse2: 118.5
chrRangeFromJpeg_144_avx2: 62.3
chrRangeFromJpeg_256_c: 646.3
chrRangeFromJpeg_256_sse2: 218.8
chrRangeFromJpeg_256_avx2: 109.0
chrRangeFromJpeg_512_c: 1461.5
chrRangeFromJpeg_512_sse2: 426.5
chrRangeFromJpeg_512_avx2: 211.5
chrRangeToJpeg_8_c: 37.8
chrRangeToJpeg_8_sse2: 10.5
chrRangeToJpeg_8_avx2: 14.0
chrRangeToJpeg_24_c: 114.3
chrRangeToJpeg_24_sse2: 23.5
chrRangeToJpeg_24_avx2: 16.3
chrRangeToJpeg_128_c: 633.5
chrRangeToJpeg_128_sse2: 107.5
chrRangeToJpeg_128_avx2: 55.0
chrRangeToJpeg_144_c: 758.3
chrRangeToJpeg_144_sse2: 132.0
chrRangeToJpeg_144_avx2: 64.5
chrRangeToJpeg_256_c: 1345.0
chrRangeToJpeg_256_sse2: 218.0
chrRangeToJpeg_256_avx2: 105.3
chrRangeToJpeg_512_c: 2524.0
chrRangeToJpeg_512_sse2: 417.0
chrRangeToJpeg_512_avx2: 218.8
lumRangeFromJpeg_8_c: 11.8
lumRangeFromJpeg_8_sse2: 11.0
lumRangeFromJpeg_8_avx2: 10.3
lumRangeFromJpeg_24_c: 38.5
lumRangeFromJpeg_24_sse2: 15.5
lumRangeFromJpeg_24_avx2: 12.5
lumRangeFromJpeg_128_c: 232.3
lumRangeFromJpeg_128_sse2: 60.0
lumRangeFromJpeg_128_avx2: 26.8
lumRangeFromJpeg_144_c: 259.5
lumRangeFromJpeg_144_sse2: 65.3
lumRangeFromJpeg_144_avx2: 29.0
lumRangeFromJpeg_256_c: 464.5
lumRangeFromJpeg_256_sse2: 107.5
lumRangeFromJpeg_256_avx2: 54.0
lumRangeFromJpeg_512_c: 897.5
lumRangeFromJpeg_512_sse2: 224.5
lumRangeFromJpeg_512_avx2: 109.8
lumRangeToJpeg_8_c: 17.8
lumRangeToJpeg_8_sse2: 11.0
lumRangeToJpeg_8_avx2: 11.8
lumRangeToJpeg_24_c: 56.3
lumRangeToJpeg_24_sse2: 11.0
lumRangeToJpeg_24_avx2: 12.5
lumRangeToJpeg_128_c: 333.8
lumRangeToJpeg_128_sse2: 53.3
lumRangeToJpeg_128_avx2: 26.5
lumRangeToJpeg_144_c: 375.5
lumRangeToJpeg_144_sse2: 60.8
lumRangeToJpeg_144_avx2: 29.0
lumRangeToJpeg_256_c: 652.0
lumRangeToJpeg_256_sse2: 109.5
lumRangeToJpeg_256_avx2: 53.5
lumRangeToJpeg_512_c: 1284.3
lumRangeToJpeg_512_sse2: 218.0
lumRangeToJpeg_512_avx2: 108.3
 		2024-06-16 00:35:51 +02:00
compat
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doc avcodec: add external enc libvvenc for H266/VVC 2024-06-15 21:00:05 +08:00
ffbuild
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fftools avcodec: add external enc libvvenc for H266/VVC 2024-06-15 21:00:05 +08:00
libavcodec avcodec/jpeg2000dec: fix tilepart processing 2024-06-15 10:25:17 -07:00
libavdevice avdevice/xcbgrab: Check sscanf() return 2024-06-12 00:39:11 +02:00
libavfilter avfilter/vf_rotate: Check ff_draw_init2() return value 2024-06-12 00:39:14 +02:00
libavformat avformat/mxfdec: use the newly added channel ids for more exact mapping 2024-06-12 19:37:01 +02:00
libavutil avr32: remove explicit support 2024-06-14 21:28:10 +03:00
libpostproc
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libswresample
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libswscale swscale/x86: add sse2 and avx2 {lum,chr}ConvertRange 2024-06-16 00:35:51 +02:00
presets
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tests checkasm: add tests for {lum,chr}ConvertRange 2024-06-16 00:34:24 +02:00
tools tools/decode_simple: Check avcodec_send_packet() for errors on flushing 2024-05-28 03:48:06 +02:00
.gitattributes
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.gitignore
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.mailmap
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CONTRIBUTING.md
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COPYING.GPLv2
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COPYING.GPLv3
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COPYING.LGPLv2.1
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COPYING.LGPLv3
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CREDITS
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Changelog avcodec: add external enc libvvenc for H266/VVC 2024-06-15 21:00:05 +08:00
INSTALL.md
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LICENSE.md
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MAINTAINERS
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Makefile
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README.md
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RELEASE
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configure avcodec: add external enc libvvenc for H266/VVC 2024-06-15 21:00:05 +08:00

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides means to alter decoded audio and video through a directed graph of connected filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.